Please enable JavaScript to use this web application.
Regular
Expressions
101
Social
Donate
Info
Regex Editor
Community Patterns
Account
Regex Quiz
Settings
Order By
Most Recent
Highest Score
Lowest Score
Most upvotes
Most downvotes
Filter by Flavor
PCRE2 (PHP >=7.3)
PCRE (PHP <7.3)
ECMAScript (JavaScript)
Python
Golang
Java 8
.NET 7.0 (C#)
Rust
Sponsors
There are currently no sponsors.
Become a sponsor today!
Community Patterns
Search among 11,520 community submitted regex patterns...
4
c#
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
4
replace-last-comma with semicolon
PCRE (PHP <7.3)
replace-last-comma with semicolon similar to http://stackoverflow.com/questions/3829483/how-to-replace-last-occurrence-of-characters-in-a-string-using-javascript
Submitted by
Michael Freidgeim
-
8 years ago
4
Date yyyy/mm/dd
PCRE (PHP <7.3)
Regex following "ISO 8601" without hour : allowing only month 1 to 12, the day of 1 to 31 for the months of 31 days, the months from 1 to 30 for the months of 30 days, the day of 1 to 28 for February, and the day from 1 to 29 for February of leap years
Submitted by
Sara DULMAR
-
8 years ago
7
CSS Import
Python
no description available
Submitted by
anonymous
-
10 years ago
6
Split address line into street name and house number
PCRE (PHP <7.3)
This regular expression splits an address line like for example "1117 Franklin Blvd" into the street name and house number. It also supports addresses where street name and house number are the other way around (e.g. "Mustermannstr. 1"). Furthermore, this regular expression also supports address lin...
Submitted by
Andre Wisplinghoff
-
9 years ago
3
SQL select columns
PCRE (PHP <7.3)
no description available
Submitted by
Phan
-
11 years ago
3
Task 2, part 1
PCRE (PHP <7.3)
Finds all source numbers in square brackets
Submitted by
Kovalev Evgeny
-
10 years ago
3
how to match both lines?
Python
f_name may contain spaces, numbers, characters,... so I would go for a but then I couldn't use [...]? anymore to match the second line?
Submitted by
anonymous
-
10 years ago
3
Find URLs in markdown where the lines have been wrapped
Python
no description available
Submitted by
anonymous
-
10 years ago
3
URL with matching categories
PCRE (PHP <7.3)
Finds the protocol, subdomain, ((domain, extension)/ipaddress), port, filepath (split in path and filename), the route and the query string.
Submitted by
fps
-
9 years ago
3
PL Phone number
PCRE (PHP <7.3)
PL Phone number
Submitted by
Dawid
-
9 years ago
3
Cisco ASA
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
3
@font-face stuff
PCRE (PHP <7.3)
bits and pieces of reusable replacements in CSS @font-face rules
Submitted by
mroncetwice
-
9 years ago
3
sql: insert into
PCRE (PHP <7.3)
insert into (a,b,c) values (1,2.3,"test");
Submitted by
suat erenler - sua.gen.tr
-
9 years ago
3
hj
PCRE (PHP <7.3)
hj
Submitted by
hj
-
9 years ago
3
currency
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
3
Currencies
PCRE (PHP <7.3)
Matches numbers formatted like currencies
Submitted by
elgehelge
-
9 years ago
3
Forum user validation
PCRE (PHP <7.3)
Pedro al DAMS
Submitted by
giacomo
-
9 years ago
3
Nombres 4 chiffres
PCRE (PHP <7.3)
Nombres 4 chifres
Submitted by
EA
-
9 years ago
3
Shortcode parser
PCRE (PHP <7.3)
Parse shortcodes, its attributes values and html
Submitted by
anonymous
-
9 years ago
1
...
566
567
568
569
570
...
576
Identifier Regex
0
Regular Expression
Java 8
"
(
[
a
-
zA
-
Z_
]
[
a
-
zA
-
Z0
-
9_
]
+
|
[
a
-
zA
-
Z
]
)
"
g
Open regex in editor
Description
Regex for identifiers
Submitted by
anonymous
-
2 years ago